| Singular | Plural | |
|---|---|---|
| Nominativ | conchicla | conchiclae |
| Genitiv | conchiclae, conchiclai | conchiclarum, conchiclum |
| Dativ | conchiclae, conchiclai | conchiclis, conchiclabus |
| Akkusativ | conchiclam | conchiclas |
| Ablativ | conchiclad, conchicla | conchiclis, conchiclabus |
| Vokativ | conchicla | conchiclae |